小学数学三年级下册口算题

1、40-2=70+90=70+2=140-7=70+50=421+7弋52+35=720+8=9X 799弋9X799=80+4=26+9=45X28Q160-60=160+8=150+40=小 学 数 学 三 年 级 下 册 口 算 题1.2.2850024+ 8=+ 7=X4=50 X 80=12 X20=355=50+ 5=21003=3.3X800=420+ 7=3X220=480+ 4=4.58+ 33=1200 -200 =45+45=42050-20 =11X7=90=428093+ 3=- 46=82880+45+52=90+30=90+40=170-90=110-30=5.50

2、+80=110-80=50+90=400+300=21X30=660+ 6=65X10=540+ 6=22X40=80X80=10X47=30 700 + 93=600+ 6=10X 36=660-36. 43 + 38 =720+ 8=36+ 56 =23X 3010X 73=2000=90X50=800+8=6000+120X 4=640+2 =52X94Q250+ 5=7. 63 + 9=280+4=50X 50=810+9=300 X 6=25+41=140+ 7=20X31 =90-65=52X 44Q74X54Q41X758. 40X 70=131+6 弋900+ 3=57+29=

3、1600+ 2=125+2弋4X9 + 6=90+9=71-68=9. 3X200=640+ 8=880+ 4=12X4=3X31 =0X97=10. 360+ 9=32X2 =600+ 1 =620+2 =7500 500=58+ 26=44 X 2 =1500+ 3=660+2 =0 + 91 =120X 4=960+ 3=9 X 300=2 X 440=3X33=460+ 2 =70+ 500=280+ 4=9X400=3X330=690+ 3=11. 11X40=200+ 4=8000- 1000=540+ 6=10X73=34 X 20=12. 80X 90=640+ 8=720+

4、9=660+ 3=700X 5=30X 30=13. 10X 47=500011X40=200080X 80=14. 36 + 56 =900X 5=20X 24=10X58=30X 70=10X 34=41X20=30X 23=70X 40=29+14=88X10=67-49 =57+ 29=0 + 49=120X 4=65X 10=70003990Q660+ 6=590010X 36=6000+80X 50=200X 4=600+ 6=22X30400+ 600=34 +29 =800+ 8=21X30=720+ 8=33X 30=32X20=87X 1015. 500+40 =22X40

5、=440+ 4=33X 20320+ 4=640+ 2 =700 =83+ 9勺30X 50=7775-29=+ 18 =0 + 93=600+16. 210+7=3X 8=80+ 2=40X10=180+ 3=80X99Q280+ 4=90X 100=8+ 1X8=20+90=80+20=130-2=17. 310X 3=11X4=390+ 3=230X 3=82-55=-700=310X3=720+ 9=4700600+ 3=480+ 8=48+ 28=641+ 8弋18. 7X50=9X500=880+ 8=879+ 8弋80+ 17=-800=54+ 28=42X3=170090+ 3

6、=180+ 3=300+ 5=930+ 3=19. 800+ 4=450+ 9=60-15 =900+ 3=360+ 6=70X 7=37+ 56 =32X3=1200-715 =0X37=2?99+ 6 Q50X 7=20. 53-14 =2X14=17+ 27 =840+ 4=140+ 2 =7X700=660+ 6=7X800=840+ 2 =31X3=430X 2 =540+ 9=21. 13X 3=2X330=34+ 56 =96+ 3=50X 6=6X800=159+ 4 弋620+ 2 =960+ 3=63+ 3=1500-903 =1807-800=22. 26 + 57 =6

7、00X 3=800+ 8=33+57 =37+ 8=-33=480+ 8=630+ 3=62500+ 500 =33X 2 =800+ 2 =23. 0-47=560+7=440-4=93+3=24X2 =0 + 54=23X3=12X30=7X80=48X 10=40X40=40X10=24. 89+3=562+7弋241 + 2 弋30-(3-1)=24X2-3 =0 + 54=(23- 3) X3=13X30=7X81 =53X10=60X70=25. 23X30=60X50=70X80=10X68=40X50=30X21 =7X11 =50X70=24X2 =30X70=10X74=5

8、0X10=26. 70X 11 =30X40=24X20=12X20=30X21 =20X70=28X1 =20X13=1X36=10X19=11X50=30X30=27. 28X 10=20X50=10X36=30X33=21X40=12X10=31X2=14X 20=6X90=20X 33=90X20=20X13=28. 31X20=22X3=60X90=39X10=21X2=44X20=12X4=22X30=22X4=30X80=33X10=50X 90=29. 12X40=220X 3=22X40=90X 40=200X3=41X20=21X30=10X 46=3X700=33X30=

9、20X41 =6X600=30. 24x 20=50X30=0X45=50X70=800X7=723+ 9弋10X89=69X 10=13X 30=23X30=4X90=60X 60=31. 60X 40=90X30=21X40=40X 90=2X31 =33X 20=40X 70=48+ 19=70X 6=4X900=2X310=32. 20 + 35 =45+ 35 =32X20=70X60=84X1 =900X 6=34X20=33X 30=31X20=702X 6=84X10=9X800=33. 70X 30=2X42=86-47=5X90=22X30=6X500=8X70=42X20

10、=400 +300=5X900=10X33=22X0=34. 80X 70=201X4=0 + 20=6X60=22X40=44+ 20 =41X39 Q43X 20=46 + 37=420+ 6=300+ 6=40X 11 =35. 360+ 9=10X 34=40X90=90X 60=490-7=80X4= 620X34=300X3=5X0=-80=330-3=250+5=68036. 21X40=20X50=80X40=10X37=2000+300 =400-4=880+2 =70X20=Ox 66=880+4=50X30=640+8=37. 400+300=99X10=34+39 =3

11、60+ 6=12X20=97X10=30X80=41X20=700-7=11X 80=33X30=0 + 59=38, 200-4=4700-700 =31X20=600+ 90=44- 37=630-7=40X12=84-47 =71-23=21X30=0 + 43=31X30=39. 43X2=0X20=75+ 18=2390X 30=0+73=30X12=46+ 24 =42X20=350+ 5=100+ 5=10X50=40. 52-29 =400+ 8=240X 2 =52+ 39=480+ 8=800X 3=33X30=50X5=60X 50=310X 3=410X 2 =41X2

12、0=41. 20X 23=0X35=440+ 4=30X 32=10X 35=30X 30=29+ 61 =410+ 7勺50X 90=90X 50=80X30=20X 14=42. 420+ 6=69X 10=300+ 6=240+ 4=22X40=810+ 9=33X 20=900+ 9=630+ 9=0X30=30X 23=330X 3=43. 750-50 =480+ 8=5010+ 2003Q77- 48 =300+ 5=300+700 =420+ 2 =820+ 2=70X 11 =4500-500=20X 40=400+ 4=44. 49 +33 =707+ 7=23X3=78-

13、 36=11X4=230X 3=46+ 9弋10-5=90+20=17-8=180-80=350-5=45. 40X 70=43+38 =90X50=84-6543 16=10X 80=51X82 弋500+4088 X 10=700X 5=81X99弋40X 7046. 440+ 4=32X3=48+4=540+ 9=90+9=13X 3=600X 7=120X 3=480+ 2 =39+ 3=560+ 8=990+ 3=47. 420+ 2 =63+ 3=160+ 4=800+ 700=690-3=480-2 =840+4=48. 0-51 =5X900=-57 =68-49=49. 42X42Q83 +%45 X 52Q50.